In addition, there were no significant differences in HWE with respect to the five T2DM susceptibility genes in the participants (KCNQ1: p = 0.28, CDKAL1: p = 0.63, CDKN2B: p = 0.46, UBE2E2: p = 0.81 and IGF2BP2: p = 0.06). Here, KCNQ1 is linked to type 2 diabetes mellitus.